history-science-libraries3.93 min readInnovative Tool Detects Toxic Pigments in Historic BooksVictorian-era books with green covers made using toxic arsenic-based pigments pose health risks, prompting researchers at the University of St Andrews to develop a portable, non-destructive testing device to identify and safely manage these potentially hazardous books, ensuring access while protecting health.1 year ago•Source: BBCView original source